:root {
  --bg: #fafaf9;
  --fg: #1a1a1a;
  --accent: #2563eb;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 6px;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 24px;
}
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.75rem; }
.lede { font-size: 1.25rem; color: var(--muted); margin: 0 0 2rem; }
.privacy { font-size: 0.95rem; color: var(--muted); border-left: 3px solid var(--border); padding: 0 0 0 16px; margin: 0 0 2rem; }
.download {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 500;
  transition: opacity 0.15s ease;
}
.download:hover, .download:focus { opacity: 0.9; }
.download:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.gatekeeper { font-size: 0.875rem; color: var(--muted); margin: 12px 0 2rem; }
img { max-width: 100%; height: auto; border: 1px solid var(--border); border-radius: var(--radius); }
@media (prefers-reduced-motion: reduce) {
  .download { transition: none; }
}
.back {
  margin: 0 0 2rem;
  font-size: 0.875rem;
}
.back a {
  color: var(--muted);
  text-decoration: none;
}
.back a:hover { color: var(--fg); }
.prompts {
  padding-left: 1.25rem;
  margin: 1rem 0 2rem;
}
.prompts li {
  margin-bottom: 0.75rem;
}
.prompts strong {
  color: var(--fg);
}
.footer {
  font-size: 0.95rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 2rem;
}
a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { opacity: 0.8; }